Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11866011 | Blade attachment tool and blade support structure | Hironori Yamaguchi, Toshikazu Taura, Hirokazu Matsukawa, Tomoki Hachida, Ken Nakano | 2024-01-09 |
| 10288505 | Lashing tension verification tool | — | 2019-05-14 |
| 10267696 | Belt tension calculating program, belt natural frequency calculating program, method and device for calculating belt tension, and method and device for calculating belt natural frequency | Yoshikazu Wakizaka, Yasushi Chida | 2019-04-23 |
| 10000029 | Transmission belt manufacturing method and transmission belt | Soichiro Nakane, Hisashi Izumi | 2018-06-19 |
| 9784629 | Clamping-type tensile force measurement device | Yuta Hamasaki, Masanobu Eguchi, Haruki Shikasho | 2017-10-10 |
| 9778098 | Natural-frequency measurement device | Yoshikazu Wakizaka, Yasushi Chida | 2017-10-03 |
| 7563187 | Belt drive system | — | 2009-07-21 |
| 7419448 | Drive belt pulley and belt drive system | Shinichiro Nishikawa, Masashi Yoshimura | 2008-09-02 |
| 7387584 | Drive belt pulley and belt drive system | Shinichiro Nishikawa, Masashi Yoshimura | 2008-06-17 |
| 7364522 | Pulley for power transmission belt and belt power transmission device | Shinichiro Nishikawa | 2008-04-29 |
| 7252610 | Automotive engine accessory drive system | — | 2007-08-07 |
| 6598719 | One-way clutch | Shinichiro Nishikawa, Yoshihiro Akahoshi | 2003-07-29 |
| 6220414 | One-way clutch | Shuichi Nagaya, Shinichiro Nishikawa, Masakazu Domoto, Masahiko Satoda | 2001-04-24 |
| 6142898 | Non-stage transmission for vehicles and lawn mowing tractor using same | — | 2000-11-07 |
| 6035985 | One way clutch | — | 2000-03-14 |
| 6024196 | One-way clutch | — | 2000-02-15 |
| 5878855 | One-way clutch | — | 1999-03-09 |
| 5848949 | Infinitely variable speed transmission | Shinichiro Nishikawa | 1998-12-15 |
| 5695031 | One-way clutch | Masahiro Kurita | 1997-12-09 |
| 5676225 | Belt transmission device for engine auxiliaries | — | 1997-10-14 |
| 5665018 | Belt transmission | — | 1997-09-09 |
| 5540627 | Auto-tensioner | — | 1996-07-30 |
| 5462492 | Continuous speed-shifting device | Yoshihiro Akahoshi, Eiichiro Ikeda, Yutaka Furukawa | 1995-10-31 |
| 5181888 | Belt driving system | Mitsuhiko Takahashi, Shinya Yuki, Keizo Nonaka, Yoshihisa Nakano, Hiroshi Mitsuhashi +2 more | 1993-01-26 |
| 5112283 | Continuous speed-shifting device | Yutaka Furukawa | 1992-05-12 |